INDEX TO VOL. IV. 





ACANTHIDIUM, a new genus of fish, 

 422. 



iEgilops and Triticum, notice respecting 

 the genera, 214. 



Agaricus, on some new species of, 249. 



Agassiz, L., Histoire Naturelle des Pois- 

 sons d'eau douce de I'Europe Centrale, 

 review of, 329. 



Allium Porrum and A. Ampeloprasum, on 

 the distinctive characters of, 290. 



Alysia, a new genus offish, 418. 



Amaryllideae, descriptions of some new 

 species of, 28. 



Amher, on a new species of Frog found 

 in, 215. 



Animalcules, remarkable diffusion of, 286. 



Annelida, MacLeay's arrangement of, 

 385. 



AnneUdes, descriptions of the British, 

 368. 



Anoplophora, description of the genus, 

 280. 



Anser, on a new British species of, 64. 

 (^ Antalgic expedition, instructions relative 

 to the, 33. 



Ant-bear, Greater, remarks on the, 202. 



Antelope, on the habits of the Philan- 

 tomba, 207. 



Aphrodita, new species of, 370. 



Apteryx AustraUs, on the habits of the, 

 312. 



Arctibeus, description of some species 

 of, 1. 



Arctium Lappa and Bardana, observa- 

 tions on, 253. 



Arenicolidae, new species of, 373. 



Argonaut shell, inhabitant of, 443. 



Arvicola, on a monograph of, 438. 



Assam, Mr. Griffith's journey in, 424. 



Astacus fluviatiUs, on the moulting pro- 

 cess in, 141. 



Astarte incrassata, on the animal of, 297. 



Babington, Charles C, on Arctium Lappa 

 and Bardana, 253 ; on Cuscuta epi- 

 linum and halophyta, 280 ; on the di- 

 stinctive characters between Allium 

 Porrum and Ampeloprasum, 290. 



Badger, American, on the dentition of 

 the, 52. 



Baer, K. E. von, description of animal 

 life in Nova Zembla, 145. 



Bark of commerce, on the plants pro- 

 ducing the, 179. 



Bartlett, A. D., on a new BritishAnser, 64. 



Bats, on some new Cuban species of, 1. 



Bauer, Ferd., biographical sketch of, 67. 



Bear, discovery of fossil teeth of a, in 

 Suffolk, 186. 



Begoniacese, on the discoid piths of the, 

 74. 



Berkeley, Rev. M. J., on the fructification 

 of Lycoperdon, Phallus, &c., 155 ; de- 

 scriptions of Fungi collected in the ex- 

 pedition of the Beagle, 291. 



Bertoloni's Flora Itahca, notice of, 337. 



Birds, of Nova Zembla, 153 ; on the 

 distribution of British, 213; notices on 

 some, 267 ; notes on Irish, 284 ; of 

 Guiana, notes on the manners of the, 

 318. 



Blackwall, J., descriptions of some new 

 British spiders, 68. 



Boston, expedition to, 424. 



Botanical journey across the Pampas of 

 Buenos Ayres to Tucuman, account of 

 a, 8, 96, 171. 



Botanical Society of Edinburgh, proceed- 

 ings of, 355. 



Botanical Society of London, proceedings 

 of the, 137,211,270. 



Botanical travellers, information respect- 

 ing, 194, 262, 322. 



Botany of the Islands of New Zealand, 

 22, 106, 256. 



Brignoli, Prof. De, on the excitability of 

 Oxahs, 388. 



British Association, proceedings of, 46, 

 135. 



Bunge's Supplement to Flora Altaica, 

 notice of, 338. 



Cacteae, on the structure of the, 238. 



Calli chroma, description of the genus, 

 280. 



Cantharellus, on some new species of, 

 250. 



Cantor, Dr. T., on the Serpents of India, 

 271 ; on Indian fish producing isinglass, 

 399. 

 Carasissi, or Savannah Dog, 430. 

 Carpenter's (W. B.) Principles of General 

 and Comparative Physiology, review 

 of, 111. 



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